Win11, issue with getting DNS from DHCP

I understand but like majority of other users I too use windows because of certain software limitations that tie to windows. The harsh truth is that windows is not going anywhere unless apple mac os devices price crash (not gonna happen) or linux become as user friendly/software compatible as windows (even lesser chances of happening). The best one can do is try to live with regressions in windows by using various tricks/methods to minimize their impact as much as possible.
Of course.. Not that I would like windows to go anywhere…
Every once in a while, i still need to fall back to windows for something or the other.

I am just b**ching about some of the seriously odd design or development choices made by the windows dev teams over the years which have progressively contributed to windows slowly turning from an OS that worked for you ….to an OS that you have to keep fighting with to make it work as expected
 
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worst yet to come, these are just the beginning.
https://arstechnica.com/gadgets/202...s-that-it-is-testing-ads-in-windows-explorer/
:D
i too moved away .. returned (forced) to windows after win7 era.

M$ is now an ad company not software development. fb/google are known enemy people do trying to safeguard against, but M$ and Amazon.. are two biggest threat in upcoming days... with lots of money at their disposal.
In a windows11 based laptop, it always taking 9.9.9.9 - regardless what DNS my router is broadcasting, ignoring the DHCP.

Router has a static IP assigned to the mac address of this device. Same goes for all my devices - all gets fixed IP details from address reservation.
Rest of the devices are getting the proper DNS provided by router DHCP, except this windows system, and that too only in wifi mode - its always taking 9.9.9.9 DNS - as if its hardcoded somewhere, but it's pretending as if its getting auto DNS from router
When connected via wired LAN its is taking the correct DNS served by router.

Tried all possible troubleshooting - even resting the LAN adapter nothing helped.
Even tried tethering phones, connecting to other routers - Nothing works. its always taking that quad9 DNS regardless what is being broadcasted by the wifi source.

Anyone has any idea what going on and how to fix it ? 9999 means its bypassing my pihole which i dont want. right now.
Oddly, I just started having this problem on a Windows 11 Pro computer that is joined to a company domain and is set for DHCP. It is using Quad9 DNS via DoH. I have never seen anything like this. Were you able to get it figured out, beyond simply changing to a manually-configured DNS setting?
 
I just configure my local dns directly in wifi settings of w11. And I switch to different ssid when needed to interact with ads. Not ideal but it is what it is. Further I have chrome using custom cloudflare doh endpoint with various filters added using api on other folks system/mobile in house. On iOS it can be done system wide so i get some blocking outside home as well without any extra apps like adguard and when on certain ssid it skips doh and uses local pihole.
 
I just configure my local dns directly in wifi settings of w11. And I switch to different ssid when needed to interact with ads. Not ideal but it is what it is. Further I have chrome using custom cloudflare doh endpoint with various filters added using api on other folks system/mobile in house. On iOS it can be done system wide so i get some blocking outside home as well without any extra apps like adguard and when on certain ssid it skips doh and uses local pihole.
Ah ok, thanks for the update. If anyone else crosses this thread and has the same problem, I'd love to know if they found the permanent solution so that we can all avoid the annoying workarounds.